颞颌关节疼痛——功能紊乱综合症的主要症状是疼痛,肌肉压痛,关节弹响,下颌运动障碍。许多学者对本病的发病因素有不同的见解。Prentiss等认为咬合异常是主要的发病因素。Schwartz等认为本病主要因素是关节肌肉的不协调,同时也和精神紧张有关。他们认为咬合并常是本病的结果而不是原因。Ramfjord等认为精神紧张和咬合失 Temporomandibular joint pain - the main symptoms of dysfunction syndrome are pain, muscle tenderness, snapping, jaw movement disorders. Many scholars have different opinions on the pathogenesis of this disease. Prentiss so that bite abnormalities are the main risk factors. Schwartz so that the main factor of this disease is the uncoordinated joint muscles, but also related to mental stress. They think bite often is the result of the disease and not the cause. Ramfjord and other think that mental stress and occlusion loss